WO2019214195A1

WO2019214195A1 - Floating sludge discharge device for square sedimentation tank

Info

Publication number: WO2019214195A1
Application number: PCT/CN2018/114471
Authority: WO
Inventors: 许明; 操家顺; 沈晓笑
Original assignee: 河海大学
Priority date: 2018-05-11
Filing date: 2018-11-08
Publication date: 2019-11-14
Also published as: US20210252429A1; AU2018319220B2; CN108553949A; CN108553949B; AU2018319220A1; US11117074B2

Abstract

Disclosed is a floating sludge discharge device for a square sedimentation tank. A water outlet hole is provided below a liquid surface, and a pulling bucket mechanism (1) is designed to change its overall gravity through outlet water of a secondary sedimentation tank so as to move up and down to pull a sludge-scraping plate (4.4) to move back and forth; and a protruding end of the sludge-scraping plate (4.4) of a sludge-scraping plate mechanism (4) automatically goes deep below the surface of the liquid and is automatically lifted when returning.

Description

Square sedimentation tank row floating mud device

Technical field

The invention relates to a square sedimentation tank row floating mud device, belonging to the field of water treatment.

Background technique

The surface of the secondary settling tank often causes floating mud due to denitrification or sludge aging. The large and medium-sized sewage treatment plant in the city adopts a circular pool surface, and the scraping bridge rotates along the central axis to remove the floating mud, while the integrated sewage used in rural areas The second sink surface of the treatment device is mostly square structure. The scraping of the second sinking mud has always been a problem. The floating mud of the second settling tank seriously affects the quality of the effluent.

Summary of the invention

OBJECT OF THE INVENTION In order to solve the technical problems existing in the prior art, the present invention proposes a square sedimentation tank row floating mud device, which is disposed below the liquid surface through the water outlet hole, and at the same time, the design of the traction barrel mechanism uses the secondary sedimentation water to change its overall gravity. Move the traction scraper up and down to move back and forth. The scraper of the scraper mechanism automatically extends into the bottom of the page and automatically lifts when returning.

Technical Solution: In order to achieve the above technical object, the present invention provides a square sedimentation tank row floating mud device, which comprises a traction barrel mechanism, a scraping board mechanism, a traction weight, a perforated water permeable plate structure and a floating floating mud structure, wherein

The perforated water permeable plate structure is disposed around the inner wall of the square sedimentation tank, and the lower portion of the perforated water permeable plate structure is evenly provided with a drainage hole;

The scraper mechanism spans above the perforated drainage panel;

The pulley blocks are respectively disposed on two sides of the square sedimentation tank, and the traction drum mechanism is connected with the traction rope A and passes through the pulley block on one side and is connected to the scraper mechanism;

The scraper mechanism is fixedly connected to the traction rope B and connected to the traction weight through the pulley group of the other side through the traction rope B, so that the traction drum mechanism and the traction weight are respectively disposed on two sides of the square sedimentation tank;

The row of floating mud structure is disposed on the side of the perforated water permeable plate structure near the traction drum mechanism, and the outlet water of the second settling tank flows into the traction barrel mechanism, and when the side weight of the traction barrel mechanism is greater than the traction weight, the water in the traction mechanism will The traction drum mechanism is discharged to realize the back and forth movement of the scraper mechanism, and the floating mud is scraped into the floating mud structure, and the sediment supernatant flows out through the perforated water-permeable plate structure in the drainage hole below the liquid surface.

Specifically, the traction drum mechanism is composed of a spiral water pipe, a water storage bucket, a water stop ball, a ejector pin, a water receiving bucket, and a drain pipe; one end of the spiral water pipe is connected to an upper portion of the water storage bucket, and the other end extends to the perforated water permeable plate structure. The bottom water of the second settling tank flows into the water storage tank through the spiral water pipe; the bottom of the water storage tank is a conical bottom, and the bottom of the conical water is provided with a circular hole, and the diameter of the water stop ball is larger than the diameter of the circular hole and covers Above the circular hole; the water receiving bucket is disposed below the water storage bucket, the drain pipe and the water receiving bucket are in communication with each other and disposed under the water receiving bucket; the top pole is disposed in the middle of the bottom of the water receiving bucket and is connected with the water storage bucket The round hole at the bottom is facing right; the water from the second settling tank flows into the water storage tank through the spiral water pipe. When the weight of one side of the water storage tank is greater than the weight of the traction, the water storage bucket moves downward until the top rod will open the water stop ball, and the water storage bucket The water inside is quickly discharged into the water receiving bucket, discharged into the regulating tank at the front end of the sewage treatment process through the drain pipe, and the water storage bucket is quickly moved upward to realize the action of quickly returning the scraping mud to the starting position by the slow scraping mud. Water storage The frequency at which the bucket moves up and down depends on the flow of the spiral water pipe.

Wherein, the drain pipe and the water receiving bucket are connected by a flange, and the top rod is in the middle of the water receiving funnel, and the circumference is a circular hole of the flange screw.

The perforated water permeable plate structure comprises a slanting vertical plate, a first vertical plate, a first vertical plate guide, a second vertical plate, a third vertical plate and a third vertical plate guide, wherein the inclined vertical plate, the first vertical plate and the second The vertical plate and the third vertical plate sequentially surround the inner wall of the square sedimentation tank and are fixedly connected with the horizontal wall plate and the pool wall of the square sedimentation tank, and a uniformly distributed drainage hole is arranged at the lower part of each vertical plate, and the diameter is 6-10 mm. A first vertical plate guide rail and a third vertical plate guide rail are respectively fixed on the first vertical plate and the third vertical plate, and the guide rails are square, which is favorable for bearing and facilitating movement of the scraping plate mechanism;

The scraping plate mechanism comprises a double-limit upper magnetic arm, a double-line sliding cylinder, a double-limit ejector, a scraping plate, a rotating sleeve, a fixed shaft and a double-limit hem arm, wherein:

The two-line row slide comprises two squares, which are respectively sleeved on the first vertical plate guide rail and the third vertical plate guide rail, and the two double-line row slide cylinders are fixedly connected by a fixed shaft, and the rotating sleeve is sleeved on On the fixed shaft, the two ends of the rotating sleeve are respectively fixed with a double-limit hem arm and a double-limit upper magnetic arm. A scraper plate is arranged in the middle of the rotating sleeve, and the double-limit ejector is fixed on the wall of the tank and passes through the scraping mud. The perforations provided on the surface of the plate pass through the scraping plate, and the magnetic arms on the double limit are shaped T-shaped structures, and magnets are respectively disposed at two ends of the T-shaped structure, and at the corresponding positions of the double-line sliding cylinders are also provided The opposite polarity magnet; the double limit hem arm and the double limit upper magnetic arm are used to limit the position of the scraper, and the hem is at the starting end and is maintained until it moves to the floating mud guide and slowly rises. When the direction of the double limit ejector is at the same time, the scraper is raised and maintained, and when the double limit ejector is reached, the scraper is pressed down to the hem state and maintained;

In the starting position, the scraper is away from the side of the floating mud structure, and the double-limit ram is placed against the double-limit sway arm. The double-limit upper magnetic arm sucks the corresponding magnet directly below, and the scraper rotates counterclockwise. The protruding end of the scraping board enters below the liquid level, and when the water storage bucket moves slowly downward, the pulling scraping board scrapes the floating mud to the side of the floating mud structure, and when the floating mud guiding plate is approached, the scraping board will float the mud Delivered to the floating mud guide, forcing the floating mud into the floating mud tank, while the inclined floating mud guide lifts the scraper, the scraper rotates clockwise, forcing the rotating sleeve and the double-limit upper arm clockwise Rotating, when the scraper is just on the edge of the floating mud tank, the magnet on the other end of the double-limit upper magnetic arm is sucked by the magnet corresponding to the double-line row slide, and the scraping plate extends out from the design page 2 ~3cm; the water in the water storage tank is drained, the traction of the water storage bucket is quickly moved upwards, and the scraping board mechanism quickly floats back from the floating mud tank. When reaching the other end, the double limit ejector rods against the double limit hem The arm, the scraper mechanism returns to the starting position.

The sump floating mud structure comprises a floating mud guiding plate, a floating floating mud pipe and a floating floating mud trough, wherein the discharging floating mud trough is fixed above the drainage hole of the corresponding perforated permeable plate structure, and the upper edge of the floating floating mud trough is high The design of the second settling tank is 2~3cm, the floating mud guide is sloping plate, one side is below the design liquid level, and one side is fixed on the upper edge of the floating mud tank, guiding the floating mud into the floating mud tank, the floating mud due to The self-weight flows out into the mud storage tank through the floating mud pipe.

Wherein, the inclined mud guide has an inclination angle of 30 to 45 degrees.

The pulley block comprises an outer wall weight side flat shaft fixed pulley, a water inlet side vertical shaft fixed pulley, a water outlet vertical shaft fixed pulley and an outer wall traction barrel side flat shaft fixed pulley, wherein the water inlet side vertical shaft fixed pulley and the water outlet vertical shaft fixed pulley are respectively fixed. In the upper middle position of the inclined vertical plate and the second vertical plate, to ensure that the traction rope pulls the center position of the fixed shaft, and is used for controlling the traction rope at the center position of the plane of the pool body, and ensuring that the fixed point of the traction rope on the shaft is the shaft. The center position; the outer wall weight side flat shaft fixed pulley and the outer wall traction barrel side flat shaft fixed pulley are respectively fixed on the outer wall of the square pool and above the perforated water permeable plate structure for pulling back and forth of the scraping board.

Advantageous Effects: Compared with the prior art, the square sedimentation tank floating mud device of the present invention has a simple structure and low energy consumption, and is automatically scraped as long as the secondary sedimentation tank enters the water, and is suitable for use in a container-type integrated sewage treatment device.

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention, wherein the upper view is a side view, and the lower view is a top view;

2 is a schematic structural view of a traction drum mechanism according to the present invention;

3 is a schematic structural view of a perforated water permeable plate structure and a floating floating mud structure according to the present invention, the upper view is a side view, and the lower view is a top view;

Figure 4 is a plan view of the scraper mechanism of the present invention, the upper view is a side view, and the lower view is a plan view;

Figure 5 is a schematic view showing the operation of the scraper mechanism of the present invention;

Figure 6 is a diagram showing the positional relationship between the pulley block weight and the traction drum of the present invention;

Fig. 7 is a schematic view showing the principle of operation of the scraper of the present invention.

detailed description

The invention will now be further described with reference to the specific drawings.

As shown in Fig. 1, a square sedimentation tank row floating mud device comprises a traction barrel mechanism 1, a scraping plate mechanism 4, a traction weight 6, a perforated water permeable plate structure 7 and a floating floating mud structure 8, wherein the perforated water permeable plate The structure 7 is disposed around the inner wall of the square sedimentation tank, and the lower portion of the perforated water-permeable plate structure 7 is uniformly provided with a drainage hole 7.1; the scraper mechanism 4 spans above the perforated drainage plate; the pulley block 3 is respectively disposed in the square sedimentation tank On both sides, the traction drum mechanism 1 is connected to the traction rope A2 and passes through the pulley block 3 on one side and is connected to the scraper mechanism; the scraper mechanism 4 is fixedly connected to the traction rope B5 and passes through the traction rope B5 through the pulley block on the other side. 3 is connected to the traction weight 6 such that the traction drum mechanism 1 and the traction weight 6 are respectively disposed on both sides of the square sedimentation tank.

The row of floating mud structure 8 is disposed on the side of the perforated water permeable plate structure 7 near the traction drum mechanism 1 , the effluent of the secondary settling tank flows into the traction drum mechanism 1 , and when the weight of the traction drum mechanism 1 side is greater than the traction weight 6 , the traction mechanism The effluent in 1 will discharge the traction drum mechanism 1, thereby realizing the back and forth movement of the scraper mechanism 4, and scraping the floating mud into the floating mud structure 8, and the sediment supernatant is drained below the liquid level through the perforated permeable plate structure 7. Hole 7.1 flows out.

Specifically, as shown in FIG. 2, the barrel mechanism 1 is composed of a spiral water pipe 1.1, a water storage tank 1.2, a water stop ball 1.3, a ejector pin 1.4, a water receiving bucket 1.5, and a drain pipe 1.6; one end of the spiral water pipe 1.1 and the upper part of the water storage tank 1.2 The other end extends to the bottom of the perforated water permeable plate structure 7, and the effluent of the secondary settling tank flows into the water storage tank 1.2 through the spiral water pipe 1.1; the bottom of the water storage tank has a conical bottom, and the bottom of the conical water is provided with a circular hole, and the water stop ball 1.3 The diameter is larger than the diameter of the circular hole and covers the upper side of the circular hole; the water receiving bucket 1.5 is disposed below the water storage bucket, the drain pipe 1.6 and the water receiving bucket 1.5 communicate with each other and are disposed below the water receiving bucket 1.5; the top rod 1.4 is set In the middle of the bottom of the water receiving bucket 1.5 and facing the circular hole at the bottom of the water storage tank 1.2; the water of the secondary sedimentation tank flows into the water storage tank 1.2 through the spiral water pipe 1.1, when the weight of the storage tank 1.2 side is greater than the traction weight 6 The water storage tank 1.2 is slowly moved downward until the ejector pin 1.4 opens the water stop ball 1.3, and the water in the water storage tank 1.2 is quickly discharged into the water receiving bucket 1.5, and discharged into the regulating tank at the front end of the sewage treatment process through the drain pipe 1.6. The water storage bucket 1.2 moves up quickly to achieve The slow speed of the scraper slow returning to the starting position, the frequency of the upper and lower movement of the water storage tank 1.2 depends on the flow rate of the spiral water pipe 1.1. Wherein, the drain pipe 1.6 and the water receiving bucket 1.5 are connected by a flange, and the ejector pin 1.4 is in the middle of the water receiving funnel 1.5, and is surrounded by a flange screw circular hole.

The perforated permeable plate structure 7 comprises a slanting plate 7.2, a first vertical plate 7.3, a first vertical plate guide 7.4, a second vertical plate 7.5, a third vertical plate 7.6 and a third vertical plate guide 7.7, wherein the slanting plate 7.2, the first A vertical plate 7.3, a second vertical plate 7.5, and a third vertical plate 7.6 sequentially surround the inner wall of the square sedimentation tank and are fixedly connected by the horizontal plate to the pool wall of the square sedimentation tank, and are evenly distributed in the lower part of each vertical plate. The drainage hole 7.1 has a diameter of 6-10 mm, and a first vertical plate guide 7.4 and a third vertical plate guide 7.7 are respectively fixed on the first vertical plate 7.3 and the third vertical plate 7.6, and the guide rails are square, which is favorable for bearing and convenient. The scraper mechanism 4 moves;

The scraper mechanism 4 includes a double-limit upper magnetic arm 4.1, a double-line sliding cylinder 4.2, a double-limit ram 4.3, a scraper 4.4, a rotating sleeve 4.5, a fixed shaft 4.6, and a double-limit sway arm 4.7, wherein :

The double-line row slide 4.2 includes two squares, which are respectively sleeved on the first vertical plate guide 7.4 and the third vertical plate guide 7.7, and the two double-line row slides 4.2 are fixedly connected by a fixed shaft 4.6, and the rotating sleeve is The sleeve 4.5 is set on the fixed shaft 4.6, and the two ends of the rotating sleeve 4.5 are respectively fixed with a double limit hem arm 4.7 and a double limit upper magnetic arm 4.1. The middle of the rotating sleeve 4.5 is provided with a scraper 4.4, double limit top The rod 4.6 is fixed on the wall of the tank and passes through the scraper 4.4 through the perforation provided on the surface of the scraper 4.4. The double-restricted upper arm 4.1 is a special-shaped T-shaped structure, and magnets are respectively disposed at both ends of the T-shaped structure, and at the same time The opposite polarity position of the double-line row slider is also provided with magnets of opposite polarity; the double-limit lower swing arm and the double-limit upper magnetic arm are used to limit the position of the scraper, and the starting end is hem and held until moving. It is only slowly lifted up to the floating mud guide. When it is in the direction of the double limit ejector, the scraper is lifted and held. When the double limit ram is reached, the scraper is pressed down to the hem and kept;

In the starting position, the scraper is away from the side of the floating mud structure 8, the double-limit ram 4.3 is placed against the double-limit sway arm 4.7, and the double-limit upper arm 4.1 sucks the corresponding magnet directly below, scraping the mud The plate 4.4 rotates counterclockwise, the protruding end of the scraping plate enters below the liquid surface, and when the water storage tank 1.2 moves slowly downward, the traction scraping plate 4.4 scrapes the floating mud to the side of the floating mud structure 8 and approaches the floating mud guiding plate. At 8.1, the scraper 4.4 transports the floating mud to the floating mud guide 8.1, forcing the floating mud to enter the floating mud tank 8.3, while the inclined floating mud guide 8.1 lifts the scraper 4.4, the scraper 4.4 clockwise Rotating, forcing the rotating sleeve 4.5 and the double-limit upper magnetic arm 4.1 to rotate clockwise. When the scraping plate 4.4 is just on the upper side of the floating floating tank, the magnet and the double-line sliding of the other end of the magnetic arm 4.1 on the double limit position The corresponding magnet of the tube is sucked. At this time, the protruding end of the scraping plate is 2~3cm away from the design page; the water in the water storage tank 1.2 is drained, the traction bucket double weight 6 is quickly moved upward, and the scraping board mechanism 4 is quickly discharged from the row. The floating mud tank 8.3 floats back and returns to the other end. The double limit ejector 4.3 withstands the double limit hem arm 4.7, and the scraper mechanism returns to the beginning. Home.

The floating mud structure 8 comprises a floating mud guiding plate 8.1, a floating floating mud pipe 8.2 and a floating floating mud groove 8.3, and the floating floating mud groove 8.3 is fixed above the drainage hole of the corresponding perforated water-permeable plate structure 7, and is arranged on the floating mud groove 8.3. The liquid surface is designed to be 2~3cm higher than the secondary sedimentation tank, and the floating mud guide 8.1 is inclined. The inclined angle is 30~45 degrees. One side is below the design liquid level, and one side is fixed on the upper side of the floating mud tank 8.3. The floating mud enters the floating mud tank 8.3, and the floating mud flows out into the mud storage tank due to its own weight through the discharge floating mud pipe 8.2.

As shown in FIG. 3, the pulley block 3 includes an outer wall weight side flat shaft fixed pulley 3.1, a water inlet side vertical shaft fixed pulley 3.2, a water outlet vertical shaft fixed pulley 3.3, and an outer wall traction drum side flat shaft fixed pulley 3.4, wherein the water inlet side vertical shaft set The pulley 3.2 and the outlet vertical fixed pulley 3.3 are respectively fixed at an upper middle position of the inclined vertical plate 7.2 and the second vertical plate 7.5 to ensure that the traction rope pulls the fixed shaft center position for controlling the traction rope at the center of the pool body plane. Ensure that the fixed point of the traction rope on the shaft is the center position of the shaft; the outer wall weight side flat shaft fixed pulley 3.1 and the outer wall traction drum side flat shaft fixed pulley 3.4 are respectively fixed on the outer wall of the square pool and in the perforated water permeable plate structure 7 Above, used to pull back and forth of the scraper.

As shown in Figure 7, the scraping process:

When the secondary settling tank has water, the effluent enters the water storage tank 1.2, and the liquid in the water storage tank 1.2 gradually increases. When the weight of one side of the traction drum mechanism 1 is greater than the weight of the weight 6 side, the water storage tank 1.2 pulls the scraping board 4.4 slowly. Slowly move to the side of the floating mud tank 8.3, close to the floating mud tank 8.3, the floating mud guide 8.1 jacks up the scraper 4.4, the scraper 4.4 lifts up, drives the double-limit upper magnetic arm 4.1 to rotate, close to the lower magnet The suction is fixed and the scraping process is completed. At this time, the scraper 4.4 is in the raised state, the floating mud is scraped into the floating mud tank 8.3, the water stop ball 1.3 of the water storage tank 1.2 has been opened, and the liquid quickly leaks to the water receiving bucket. In 1.5, at this moment, the traction force of one side of the traction drum mechanism 1 is exactly equal to the traction force of the weight 6 side.

Return process:

When the water stop ball 1.3 is pushed open, the weight of one side of the traction drum mechanism 1 is gradually reduced to less than the weight of one side of the weight object 6, the water storage tank 1.2 is ready to move upward, and the vertical long rod is still in a state of being opened by the round ball. The liquid continues to leak quickly, and the water storage tank 1.2 continues to lose the weight of the liquid quickly until it is emptied. The scraper 4.4 is quickly pulled by the weight 6 to the vicinity of the starting position, and is fixed to the wall of the second settling wall when approaching the inclined plate 7.2. The double limit apex 4.3 on the upper end of the double limit sway arm 4.7, the double limit sway arm 4.7 drives the double limit on the rotating sleeve 4.5 on the upper arm 4.1, the double limit on the magnetic arm 4.1 Close to and attract the magnet below, set the scraper 4.4 hem, return to the scraping state, and the return process ends.

Claims

The utility model relates to a square sedimentation tank row floating mud device, which comprises a traction barrel mechanism (1), a scraping board mechanism (4), a traction weight (6), a perforated water permeable board structure (7) and a row floating mud structure ( 8), among them,

The perforated water permeable plate structure (7) is disposed around the inner wall of the square sedimentation tank, and the lower portion of the perforated water permeable plate structure (7) is uniformly provided with a drainage hole (7.1);

The scraper mechanism (4) spans above the perforated drainage panel;

The pulley block (3) is respectively disposed on two sides of the square sedimentation tank, and the traction drum mechanism (1) is connected with the traction rope A (2) and passes through the pulley block (3) on one side and is connected to the scraper mechanism;

The scraper mechanism (4) is fixedly connected to the traction rope B (5) and connected to the traction weight (6) through the pulley group (3) of the other side through the traction rope B (5), thereby making the traction drum The mechanism (1) and the traction weight (6) are respectively disposed on both sides of the square sedimentation tank;

The row of floating mud structure (8) is disposed on the perforated water permeable plate structure (7) near the side of the traction drum mechanism (1), and the outlet water of the secondary settling tank flows into the traction drum mechanism (1), and when the traction drum mechanism (1) When the side weight is greater than the traction weight (6), the water in the traction through mechanism (1) will discharge the traction barrel mechanism (1), thereby moving the scraping mechanism (4) back and forth, and scraping the floating mud into the row. The mud structure (8), the sediment supernatant flows out through the perforated permeable plate structure (7) in the drainage hole (7.1) below the liquid level.
The square sedimentation tank row floating mud device according to claim 1, wherein the traction drum mechanism (1) comprises a spiral water pipe (1.1), a water storage tank (1.2), a water stop ball (1.3), and a ejector rod ( 1.4), the water receiving bucket (1.5), the drain pipe (1.6); the coiled water pipe (1.1) one end is connected with the upper part of the water storage tank (1.2), and the other end extends to the bottom of the perforated water permeable plate structure (7), The effluent of the sinking tank flows into the water storage tank (1.2) through the spiral water pipe (1.1); the bottom of the water storage tank is a conical bottom, and the bottom of the conical water is provided with a circular hole, and the diameter of the water stopping ball (1.3) is larger than the circular hole The diameter is covered above the circular hole; the water receiving bucket (1.5) is disposed below the water storage bucket, and the drain pipe (1.6) and the water receiving bucket (1.5) communicate with each other and are disposed below the water receiving bucket (1.5) The ejector rod (1.4) is disposed in the middle of the bottom of the water receiving bucket (1.5) and is opposite to the circular hole at the bottom of the water storage tank (1.2); the effluent water of the secondary sedimentation tank flows into the water storage tank through the spiral water pipe (1.1) (1.2) In the case where the weight of the water storage tank (1.2) is greater than the weight of the traction (6), the water storage tank (1.2) slowly moves downward until the ejector pin (1.4) pushes the water stop ball (1.3) upwards and the water storage bucket ( 1. 2) The water inside is quickly discharged into the water receiving bucket (1.5), discharged into the regulating tank at the front end of the sewage treatment process through the drain pipe (1.6), and the water storage tank (1.2) moves up quickly to realize the slow speed of the scraping board. The action of the scraper quickly returning to the starting position, the frequency of the up and down movement of the bucket (1.2) depends on the flow of the coiled water pipe (1.1).
The square sedimentation tank row floating mud device according to claim 2, wherein the drain pipe (1.6) and the water receiving bucket (1.5) are connected by a flange, and the top rod (1.4) is connected to the water receiving funnel ( 1.5) In the middle, surrounded by flange screw holes.
The square sedimentation tank row floating device according to claim 1, wherein the perforated water permeable plate structure (7) comprises a slanting vertical plate (7.2), a first vertical plate (7.3), and a first vertical plate guide ( 7.4), second vertical plate (7.5), third vertical plate (7.6) and third vertical plate guide (7.7), wherein inclined plate (7.2), first vertical plate (7.3), second vertical plate (7.5) The third vertical plate (7.6) sequentially surrounds the inner wall of the square sedimentation tank and is fixedly connected by the horizontal plate to the pool wall of the square sedimentation tank, and a uniformly distributed drainage hole (7.1) is arranged at the lower part of each vertical plate. The diameter is 6-10 mm, and the first vertical plate guide rail (7.4) and the third vertical plate guide rail (7.7) are respectively fixed on the first vertical plate (7.3) and the third vertical plate (7.6), and the guide rails are square, which is favorable for Load-bearing and easy to move the scraper mechanism (4);

The scraper mechanism (4) comprises a double-limit upper magnetic arm (4.1), a double-line sliding cylinder (4.2), a double-limit ram (4.3), a scraper (4.4), and a rotating sleeve ( 4.5), fixed axis (4.6) and double limit hem arm (4.7), where:

The two-line row slide (4.2) comprises two squares, which are respectively sleeved on the first vertical rail (7.4) and the third vertical rail (7.7), and two double-line sliding cylinders (4.2) The fixed shaft (4.6) is fixedly connected, and the rotating sleeve (4.5) is sleeved on the fixed shaft (4.6). The two ends of the rotating sleeve (4.5) are respectively fixed with a double-limit lower swing arm (4.7) and a double-limit upper magnetic field. In the middle of the arm (4.1), the rotating sleeve (4.5) is provided with a scraper (4.4), and the double-limiting ram (4.6) is fixed on the wall of the tank and passes through the piercing provided by the surface of the scraper (4.4). The mud board (4.4), the double-limit upper magnetic arm (4.1) is a special-shaped T-shaped structure, and magnets are respectively disposed at two ends of the T-shaped structure, and polarities are also set at corresponding positions of the double-line sliding cylinders. Opposite magnet

In the starting position, the scraper is away from the side of the floating mud structure (8), the double limit ram (4.3) is placed against the double limit sway arm (4.7), and the double limit upper magnetic arm (4.1) is sucked. Directly below the corresponding magnet, the scraper (4.4) rotates counterclockwise, the protruding end of the scraper enters below the liquid level, and when the water storage tank (1.2) moves slowly downward, the traction scraper (4.4) will float the mud The floating mud structure (8) is scraped on one side. When it is close to the floating mud guide (8.1), the scraper (4.4) transports the floating mud to the floating mud guide (8.1), forcing the floating mud to enter the floating mud tank (8.3). ), while the upwardly inclined floating mud guide (8.1) lifts the scraper (4.4), the scraper (4.4) rotates clockwise, forcing the rotating sleeve (4.5) and the double-limit upper arm (4.1) When the needle is rotated, when the scraper (4.4) is just above the floating mud tank, the magnet on the other end of the double-limit upper magnetic arm (4.1) is sucked by the magnet corresponding to the double-line slide, and the scraper is at this time. The protruding end is 2~3cm away from the design page; the water in the water storage tank (1.2) is drained, the storage bucket double weight (6) traction moves up quickly, and the scraping board mechanism (4) quickly removes the floating mud tank (8.3) Returning up and returning to the other end, the double limit ejector (4.3) withstands the double limit Lower arm (4.7), the scraper mechanism returns to the starting position.
The square sedimentation tank row floating mud device according to claim 1, wherein the row of floating mud structure (8) comprises a floating mud guide plate (8.1), a discharge floating mud pipe (8.2) and a discharge floating mud tank ( 8.3), the row of floating mud tanks (8.3) is fixed above the drainage holes of the corresponding perforated water permeable plate structure (7), and the upper edge of the floating mud tank (8.3) is 2 to 3 cm above the design level of the secondary sedimentation tank. The floating mud guide (8.1) is a sloping plate, one side is below the design liquid level, and one side is fixed on the upper edge of the floating mud tank (8.3), guiding the floating mud into the floating mud tank (8.3), the floating mud due to its own weight After flowing out of the mud pipe (8.2), it flows out into the mud pool.
The square sedimentation tank row floating mud device according to claim 5, characterized in that the floating mud guide (8.1) has an inclination angle of 30 to 45 degrees.
The square sedimentation tank row floating mud device according to claim 1, wherein the pulley block (3) comprises an outer wall weight side flat shaft fixed pulley (3.1), a water inlet side vertical shaft fixed pulley (3.2), and a water outlet. The vertical shaft fixed pulley (3.3) and the outer wall traction drum side flat shaft fixed pulley (3.4), wherein the water inlet side vertical shaft fixed pulley (3.2) and the water outlet vertical shaft fixed pulley (3.3) are respectively fixed on the inclined vertical board (7.2) and the second The upper middle position of the vertical plate (7.5) to ensure that the traction rope pulls the center position of the fixed shaft, and is used to control the traction rope at the center position of the plane of the pool body, ensuring that the fixed point of the traction rope on the shaft is the center position of the shaft; the outer wall The weight side flat shaft fixed pulley (3.1) and the outer wall traction barrel side flat shaft fixed pulley (3.4) are respectively fixed on the outer wall of the square pool and above the perforated water permeable plate structure (7) for pulling the scraping board back and forth motion.